Learn R R is a programming language. R is often used for statistical computing and graphical presentation to analyze and visualize data. Start learning R now » 🏁

R Arithmetic Operators Arithmetic operators are used with numeric values to perform common mathematical operations:

When learning R at W3Schools.com, you can use our "Try it Yourself" tool, which shows both the code and the result in your browser. This will make it easier for you to test and understand every part as …

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Here you get a secure sandbox environment called Spaces, where you can practice R code and test projects in real-time. Spaces allow you to test, run, and analyze data.

Data Structures Data structures are used to store and organize values. R provides many built-in data structures. Each is used to handle data in different ways: Vectors Lists Matrices Arrays Data Frames …

In this example a is equal to b, so the first condition is not true, but the else if condition is true, so we print to screen that "a and b are equal". You can use as many else if statements as you want in R.

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You will learn more about the summary() function in the statistical part of the R tutorial.

Lists A list in R can contain many different data types inside it. A list is a collection of data which is ordered and changeable. To create a list, use the list() function: